Sunamganj (সুনামগঞ্জ Sunamgonj) is a district located in north-eastern Bangladesh within the Sylhet Division.

Sunamganj mahakuma (sub-division) was upgraded to a district in 1984. This district consists of 10 upazilas, 4 municipalities, 36 wards, 139 mahallas, 82 union parishads, 1711 mouzas and 2813 villages.

Nankar Rebellion of Sukhair in 1922-23 is notable. Many political leaders and activists of Sunamganj were involved in the anti-British movement. The leftist movement spread over the district after the partition of 1947. During the war of liberation many encounters were held between the freedom fighters and the Pak army; Sunamganj was liberated on 6 December 1971.

Bishwamvarpur Upazila, Chhatak Upazila, Derai Upazila, Dharmapasha Upazila, Dowarabazar Upazila, Jagannathpur Upazila, Jamalganj Upazila, Sullah Upazila, Sunamganj Sadar Upazila, Tahirpur Upazila

Khasia and Jaintia hills (India) on the north, Habiganj and Kishoreganj districts on the south, Sylhet district on the east, Netrokona and greater Mymensingh districts on the west

Other Districts in Sylhet Division: Habiganj | Moulvi Bazar | Sunamganj | Sylhet

3669.58 square kilometers (1416.83 square miles).

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Since 1960 sunamganj has been known for the stone and sand business, River Sand. It has been supplying river sand, natural sand, crushed stone, gravel and shingle. Beside this there are more than a thousand businessman are involved in this business, where about fifty thousand workers are directly dependent in this sector. Sunamganj is a major source of freshwater fish; Tanguar Haor is the largest inland billabong for aquaculture and it is located in Tahipur Upzala. Sunamganj has more haors than any other district in Bangladesh and this makes it famous for fishery business.

Bagbari Tila (Chhatak upazila), Selbarash Jami Mosque, Sukhair Kalibari Temple, Kahala Kalibari, Maheshkhala Kalibari (Dharmapasha upazila), remnants of the palace of Raja Bijoy Singh (16th century, Tahirpur upazila).

Weekly Grambanglar Katha, Weekly Shajan, Weekly Sunamganj Sangbad, Weekly Sunamganj Barta, Weekly Sunamganj, Weekly Vati Bangla, Daily Haor Barta, Weekly Aunal; periodicals-Dishari (1993), Khudrapat Rudrapran (1998), Sreetir Olinde (1998), Arunadaiy and Haorer Dheow; extinct: Surma (sixties), Suchayan, Prattayan, Sanko, Weekly Jamalganjer Dak, Weekly Jamalganj Parikkrama, Weekly Sunam, Weekly Din Jai, Weekly Sunamganjer Kagoj.